<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" v-bind:url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image v-bind:src="item.image_src" ></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" v-bind:key="i" @click="navClickHandler(item)">
        <image v-bind:src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!--楼层区域 -->
    <!-- 楼层区域容器 -->
    <view class="floor-list">
      <!-- 每项 -->
      <view class="floor-item" v-for="(item,i) in floorList " v-bind:key="i">
        <!-- 标题 -->
        <image v-bind:src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 标题下的楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧四个小图的盒子 -->
          <view class="right-img-box">
            <!-- 循环遍历多张图片 -->
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !=0" :url="item2.url">
              <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
      
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 轮播图的数据列表
        swiperList:[],
        // 分类导航数据列表
        navList:[],
        // 分类楼层数据
        floorList:[]
      };
    },
    onLoad() {
      // 调用方法，获取轮播图数据
      this.getSwiperList()
      // 调用方法 获取分类数据
      this.getNavList()
      // 调用方法 获取楼层数据
      this.getFloorList()
    },
    methods:{
      async getSwiperList(){
       const {data:res} = await uni.$http.get('/home/swiperdata')
       // 如果请求失败
       if(res.meta.status !=200){
         return uni.$showMsg()
       }
       this.swiperList = res.message
      },
      async getNavList(){
       const{data:res} = await uni.$http.get('/home/catitems')
       if(res.meta.status != 200) {
         return uni.$showMsg()
       }
       this.navList = res.message
      },
      // 点击绑定事件函数-方法
      navClickHandler(item){
        if(item.name === '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      // 定义获取首页楼层数据方法
      async getFloorList(){
        const{data:res} = await uni.$http.get('/home/floordata')
        if(res.meta.status != 200){
          return uni.$showMsg()
        }
        // 对数据进行处理（因为跟接口给的路径不同，需调整
        res.message.forEach(floor =>{
          floor.product_list.forEach (prod =>{
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
      
      }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
    .swiper-item,
    image{
      width: 100%;
      height: 100%;
    }
  }
  
  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
    .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
  }
  
  .floor-title {
    width: 100%;
    height: 60rpx;
  }

.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}
.search-box{
  position: sticky;
  top:0;
  z-index: 999;
}
</style>
